Actually, it is pretty interesting and a clever idea:
http://www.thestatworld.com/2015/04/bill-gatess-contraceptive-microchipp-will-be-ready-in-2018.html
Seems like a great idea, with wider application like the article suggests.
Hopefully religious denomination won't get in the way of its benefit.
Ultimate birth control... the Western lifestyle. Less than 2.0 kids, too busy working :)